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Topic: Medium wave

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	What is a Wave?
		In the case of a sound wave moving from the church choir to the pews, the medium through which the sound wave travels is the air in the room.
		And in the case of the stadium wave, the medium through which the stadium wave travels is the fans who are in the stadium.
		When a wave is present in a medium (that is, when there is a disturbance moving through a medium), the individual particles of the medium are only temporarily displaced from their rest position.
	www.glenbrook.k12.il.us /gbssci/phys/Class/waves/u10l1b.html (1648 words)

	The Physics Classroom
		is a vibrational pattern created within a medium when the vibrational frequency of the source causes reflected waves from one end of the medium to interfere with incident waves from the source in such a manner that specific points along the medium appear to be standing still.
		A wave is certainly different than a pulse; and understanding why two waves introduced into a medium with perfect timing might produce a point of displacement in the middle of the medium is a mere extension of the above discussion.
		A standing wave pattern is not actually a wave; rather it is the pattern resulting from the presence of two waves (sometimes more) of the same frequency with different directions of travel within the same medium.
	www.physicsclassroom.com /Class/waves/u10l4b.html (1118 words)

	The Physics Classroom
		The blue wave is moving to the right and the green wave is moving to the left.
		Standing waves are produced whenever two waves of identical frequency interfere with one another while traveling opposite directions along the same medium.
		In conclusion, standing wave patterns are produced as the result of the repeated interference of two waves of identical frequency while moving in opposite directions along the same medium.
	www.physicsclassroom.com /mmedia/waves/swf.html (465 words)

	Mediumwave - Wikipedia, the free encyclopedia
		Mediumwave radio transmissions (sometimes called Medium frequency or MF) are those between the frequencies of 300 kHz and 3000 kHz.
		In the US the maximum transmitter power is restricted to 50 kilowatts, while in Europe there are medium wave stations with transmitter power up to 2.5 megawatts.
		Other services that operate in medium wave include Navtex and the Amateur Radio 160-meter band.
	en.wikipedia.org /wiki/Mediumwave (690 words)

	VK3ACA 's MEDIUM WAVE and LONG WAVE PAGE
		Medium wave or medium frequency according to current standards includes wave lengths from 100 to 1000 metres or 3000 kHz to 300 kHz.
		Long distance sky wave signals in this band are more variable, weaker and less predictable than on higher frequency bands and usually requires the use of morse code using CW (keyed continuous waves).
		The following article "Notes on propagation of medium frequency waves." is a general observation on the subject along the lines of the article "Propagation of long Radio Waves" and is the text of a discussion between Walter Schulz and my self.
	member.melbpc.org.au /~jadcock (451 words)

	An Observational Study of Medium-Scale Wave Dynamics in the Southern Hemisphere Summer. Part II: Stationary-Transient ... (Site not responding. Last check: 2007-09-17)
		Eastward moving, baroclinically forced, medium-scale waves are frequently observed to dominate the Southern Hemisphere summer circulation.
		Energetic analyses indicate that the medium-scale waves grow barotropically and decay baroclinically during this period, although these interference induced contributions are secondary to the usual baroclinic growth-barotropic decay life cycle characteristics observed by Randel and Stanford.
		An interference induced feedback mechanism between the medium-scale waves and the zonal-mean flow is discussed.
	www.public.iastate.edu /~atmos/abs63.html (186 words)

	Daytime Wave Pockets of Medium Wave Mast Antennas
		Further, the CFA comparison confirms that the medium wave antenna's behavior exhibited these areas of sudden, sharp fading and signal loss exists due to characteristics of the mast-type antenna.
		An indication of these wave pockets is demonstrated by the sudden abnormal decrease in signal strength and indicates that one is approaching the wave pocket.
		This indicates that the bottom of the D layer is rippled or corrugated and that each ripple occurs every 10 km, or that the reflected wave occurs at a specific incident angle on the bottom of the D layer during the daytime.
	www.antennex.com /shack/Mar02/waves.html (1379 words)

	Mediumwave -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-17)
		Mediumwave (A communication system based on broadcasting electromagnetic waves) radio transmissions (sometimes called Medium frequency or MF) are those between the frequencies of 300 (One thousand periods per second) kHz and 3000 kHz.
		Stations broadcasting with low power commonly use masts with heights of quater (The distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave) wavelength, while those of high power use mostly such of half wavelength.
		Other services that operate in medium wave include (Click link for more info and facts about Navtex) Navtex and the (Click link for more info and facts about Amateur Radio) Amateur Radio 160-meter band.
	www.absoluteastronomy.com /encyclopedia/m/me/mediumwave.htm (739 words)

	Wagner Research Laboratory (Site not responding. Last check: 2007-09-17)
		These waves also seem to provide a template or pattern for the development of all life and thus life developed in spite of the fundamental second law of thermodynamics.
		This looks like the work of a wave phenomenon where the wave velocity increases exponentially as it travels away from the sun or planets due to a decreasing density of the wave medium.
		W-waves in plants, in the sun, and the waves placing the planets, satellites of planets, or the waves stabilizing planetary rings likely are of the same species.
	www.chatlink.com /~oedphd/cosmology/article.html (3635 words)

	Radio Wave Alarm (Site not responding. Last check: 2007-09-17)
		This simple circuit is sure to have the police beating a path to your door - however, it has the added advantage of alerting you to their presence even before their footsteps fall on the doormat.
		The circuit transmits on Medium Wave (this is the small problem with the police).
		Now place a suitably tuned Medium Wave radio near some wires or a plug point in your house, and an early-warning system is set up.
	www.mitedu.freeserve.co.uk /Circuits/Alarm/radiowavealm.htm (286 words)

	MW The Medium Wave Band Plan
		Understanding how the Medium Wave band is organized will help you in your search for those DX stations.
		The Medium Wave or AM broadcast band occupies the frequency range of 530 to 1600 kHz in North America and is currently expanding to 1700 kHz.
		Medium wave broadcast frequencies fall into three basic categories.
	www.odxa.on.ca /beginnersguide/mwband.html (506 words)

	Medium, strokes - Taxi Ride
		The total mass of the gas and dust in the interstellar medium is about 15% of One important probe of the interstellar medium is the distribution of the
		MWC is the only UK-based club specially for radio enthusiasts interested in medium wave and long wave radio.
		The Medium Lobster is a higher being with superior knowledge from beyond space To your limited perception, he appears to be just another medium lobster.
	strokes.allinfosites.com /q/strokes-medium.htm (557 words)

	Standing Wave Formation
		The animation below depicts two waves moving through a medium in opposite directions.
		For more information on physical descriptions of waves, visit The Physics Classroom.
		Other useful resources regarding the physics of motion and waves is available through the Glenbrook South Physics Home Page.
	www.glenbrook.k12.il.us /gbssci/phys/mmedia/waves/swf.html (491 words)

	BBC World Service expands medium wave transmissions to Northern India - Indiantelevision.com's Breaking News
		MUMBAI: Today the BBC announced that it was responding to listeners' demand for better radio reception by expanding its medium wave transmissions to India.
		The beeb announced that its World Service programmes in Hindi and English will now be available to Indian listeners on 576 KHz medium wave, daily from 10 pm to 11:30 pm.
		It is available on short wave and medium wave radio transmitters and through cable television.
	www.indiantelevision.com /headlines/y2k4/june/june155.htm (251 words)

	Calmat MCC 5050R Medium Wave Flash Cure (Site not responding. Last check: 2007-09-17)
		We agreed, and he shipped us the Calmat MCC 5050R Medium Wave Flash Cure.
		But hold on a minute, the color is an off-white and over time has a remarkable way of keeping itself clean.
		The manufacturer claims this quartz unit is unique in that it represents new technology that uses specially developed infrared carbon emitters that produce the precise “medium” wavelength for exact curing.
	stitches.com /mag/apparel_calmat_mcc_medium/index.html (601 words)

	K9AY works great on medium wave -- on hard-core-dx.com
		In the September 1997 QST on page 43, with a modification in the May 1998 QST on page 73, there is an article by Gary Breed, K9AY on the Terminated Loop.
		In fact the termination resistance for these antennas is determined by using a BCB station off the end of the loop and adjusting the resistance for minimum signal.
		Up until now I have considered slopers, and I have a total of 4 oriented roughly N/S/E/W, as being the best wire antennas a Medium Wave DXer could use unless they were fortunate enough to have the room to put up Beverages, rhombics, etc.
	www.hard-core-dx.com /nordicdx/antenna/loop/k9ay/k9ay3.html (615 words)

	MEDIUM WAVE HOME PAGE
		The Medium Wave DX Page provides the latest hot news aimed at assisting you to log new stations.
		The Medium Wave DX Information Page will list the newsy stuff that will not immediately result in new loggings.
		John Reiger has started a page aimed at DXers in the middle part of the U.S. He is asking for loggings.
	members.aol.com /RKDX/bcb-home.html (434 words)

	MW Medium Wave Resources (Site not responding. Last check: 2007-09-17)
		This is an excellent guide to medium and shortwave stations around the world.
		It covers medium wave DXing as well as a variety of other topics such as SWL, scanning, pirate radio, FM/TX DXing, and a variety of other columns and articles.
		This publication from the National Radio Club (NRC) is especially good for the medium wave DXer as it covers solely the AM DX scene.
	www.odxa.on.ca /beginnersguide/mwresources.html (263 words)

	NTNU JAVA :: View topic - Reflection and Refraction (Site not responding. Last check: 2007-09-17)
		When a beam of light impings at some angle on the smooth flat surface of an optically dense medium, the wave andquot;seesandquot; a vast array of very closely spaced atoms that will somehow scatter it.
		As the wavefront descends, it excites one scatterer after another, each of which reradiates a stream of photons that can be thought of as a hemispherical wavelet in the incident medium.
		This is really fantastic, I have a suggestion.I think if the path of the wave (directions) are not indicated by the colours,it would have been better.
	www.phy.ntnu.edu.tw /java/propagation/propagation.html (664 words)

	TPDX - Trans Pacific DX on Medium Wave
		This site should be of interest to medium wave Dxers in North America, as well as hobbyists in Australia, New Zealand, the Far East, and Europe who like to explore the AM band for exotic receptions.
		The Pacific Asian Log (PAL) is a list of all known medium wave broadcast stations in the Asia-Pacific region.
		It is also a popular place for DXers in the Northwestern U.S. and British Columbia to congregate and listen to exitic DX stations.
	www.qsl.net /n7ecj (298 words)

	Patepluma Medium Wave Menu (Site not responding. Last check: 2007-09-17)
		Following is a list of items here of specific interest to medium wave DXers.
		Many of the articles contain some information on medium wave broadcasters, either as background or reports on specific stations.
		Lots of early history of US medium wave stations.
	www.swl.net /patepluma/patemw.html (154 words)

	Kintronic Labs - Medium Wave Multiplexing Equipment
		Multiplexing equipment permits multiple medium wave stations to share a common antenna system, either directional or non-directional.
		Multiplexing is an attractive approach for today's AM/MW broadcaster due to the high value of existing station property, or in other cases, due to the limited availability of property.
		In addition, Kintronic Labs offers complete multiplexed antenna systems that are tunable over the entire 0.53-1.7 MHz band.
	www.kintronic.com /site/systems/mwamu.asp (109 words)

	Medium wave news -- on hard-core-dx.com
		A guide to long distance listening on the medium wave, MW, band.
		This special solar guide tells you why you can hear rare stations on medium and short wave.
		Discussion on how A and K indices can assist DXers in getting the most from MW DXing.
	www.hard-core-dx.com /mw/mwindex.html (360 words)

	Medium Wave Frequencies in Central Europe
		This list originally was for people who want to start exploring the medium wave.
		They are good to make the "first steps" in medium wave reception.
		But the expensive communications receivers are much better on short wave.
	mediumwave.de (1365 words)

	AM=Amplitude Modulation,MW=Medium Wave - The X5 (E53) Message Board
		MW stands for Medium Wave which is the band of operation.
		LW or long wave is the range below 520 Khz where mostly one can hear airport beacons in morse code.
		Both MW and LW are transmitted using AM.
	bimmer.roadfly.com /bmw/forums/e53/1409865-1.html (255 words)

	Funkenhauser's WHAMLOG & Mediumwave DX Radio Links
		For Medium Wave (also known as Mediumwave, MW, AM, BCB and Standard Broadcast Band) DX, DXers and DXing
		As you may know, the creator of this resource, Werner Funkenhauser, closed his website on August 31, 2003.
		Thanks again Werner - for your permission to post your pages here and for your extraordinary contributions to the Medium Wave DX community over the years.
	www.dobe.com /wts/funk (191 words)

	Science & Technology: Medium Wave Radio Listening
		As you can see, teenagers believe that AM radio is only listened to by their parents in their station wagons.
		But, contrary to popular belief, AM radio, otherwise known as medium wave, is one of the most exciting things you can listen to.
		Also, you can do it right in the privacy of your own home!
	www.teenink.com /Past/1994/5277.html (619 words)

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